% Schumann resonances


\blip{9.44,4.0}{S}%7.8 Hz
\blip{7.91,4.5}{S}%14 Hz
\blip{3.15,5.0}{S}%20 Hz
\blip{6.86,5.0}{S}%26 Hz
\blip{0.44,5.5}{S}%33 Hz
\blip{2.80,5.5}{S}%39 Hz
\blip{4.82,5.5}{S}%45 Hz
